This Mod provides a one part bed frame, which also has extra reinforcement. This prevents the truck bed from drooping, especially if its free floating. This only is the case if you havent build your Armadillo on a SCX10 III.
Print all Parts in the given orientation. A brim is required. You might have to orient it diagonally on your printbed, because its lenghts.
Before/After:
This bed frame, also include mooring points for securing cargo on the truck bed, like with this system:
https://www.printables.com/model/978225-cargo-mooring-hook-system-110-scale
The author remixed this model.
The bed frames are the base for this model. They got merged, got an additional bar for strenght and also some mounting points for a cargo system.